diff --git a/cmd/s3-gw/app_settings.go b/cmd/s3-gw/app_settings.go
index 74c985558..aed9dd7e2 100644
--- a/cmd/s3-gw/app_settings.go
+++ b/cmd/s3-gw/app_settings.go
@@ -413,6 +413,8 @@ func newLogger(v *viper.Viper) *Logger {
 		panic(fmt.Sprintf("build zap logger instance: %v", err))
 	}
 
+	zap.ReplaceGlobals(l)
+
 	return &Logger{
 		logger: l,
 		lvl:    c.Level,